Ultrasonic Imaging: Seeing by Sound : the Principles and Widespread Applications of Image Formation by Sonic, Ultrasonic, and Other Mechanical Waves |
Contents
SONIC IMAGE FORMATION | 42 |
DISPLAYS FOR SOUND IMAGES | 111 |
220 | 139 |
Copyright | |
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A-mode acoustic hologram acoustic image acoustic impedance acoustic lens acoustic microscope acoustic waves amplitude angle area detector axis B-mode images B-mode sound images beam splitter Bragg diffraction color deformation detected diffraction direction distance echo electret elements energy focused Fourier transform geophones gray scale GREGUSS hologram recording holography illuminated information pattern insonified target laser beam layer lenses lesions light liquid crystals liquid surface luminance mask mechanical medium method mirror modulation nondestructive testing object optical image optical replica photographic piezoelectric pixel plane problem Proc propagation pulse range reconstruction reference beam reflected reflective coefficient resolution result rotating sampling aperture scanning scanning acoustic microscope scattered Schematics sensitivity shown in Fig sonar sonic image sonoluminescent sonosensitized plate sound field sound waves space spatial frequency spectrum three-dimensional transducer transmission transmitted transparent two-dimensional ultrasonic image ultrasonic waves ultrasound velocity visualized sound image wavefront wavelength zone plate